real: fix alignment issue in 1d execution (bug #30)
real: fix alignment issue in 1d execution (bug #30)

Because of the size of M/2+1, you can't expect the data to be aligned at
128 bits.

biotrump/ffts-alg,biotrump/ffts-tec,biotrump/ffts-tec,biotrump/ffts-alg,biotrump/ffts-tec,biotrump/ffts-tec,biotrump/ffts-alg,biotrump/ffts-alg